Frozen Throne fatal error

i install warcraft III, then frozen throne.
when i start frozen throne, this fatal error appear and cannot continue,
it contain:

program: c:\program files\warcraft 3\war3.exe
exception 0xc0000005 at 001B:00422695
the instruction at "0x00422695" reference memory at '0x00000100'
the memory could not be read
press ok to terminate the application